Which Future Grey's Anatomy Star Is This Canine-Cuddling Toddler?

Who's This Toe-Headed, Dog-Loving Grey's Anatomy Star?

About two and a half decades before landing a major career-making role on Grey's Anatomy, this TV star posed for an adorable pic alongside a black Labrador Retriever named Ben Davis. The thespian in question posted the snapshot to Twitter on a recent Throwback Thursday. Can you guess who it is?